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Green circuit board with black memory chips, gold edge connector, no heat spreader

OWC

OWC 4GB DDR4 2133MHz CL15 1.2V UDIMM desktop RAM

SKU CH-H25C-ATBMY

A 4 GB DDR4 desktop module running at 2133 MHz with CL15 latency and 1.2 V operation

  • Capacity4GB
  • SpeedDDR4 2133 (PC4 17000)
  • CAS LatencyCL15
  • Voltage1.2V
  • ECCNo
  • Buffered/RegisteredUnbuffered

Capacity 4GB

  • Adds 4 GB of DDR4 capacity for smoother multitasking
  • Runs at 2133 MHz with CL15 latency for responsive operation
  • Operates at 1.2 V for lower power draw and heat
  • Unbuffered 288-pin UDIMM fits standard desktop DIMM slots
  • JEDEC and RoHS compliant for reliable, warranty-safe upgrades

4 GB DDR4 2133 MHz UDIMM

This single 4 GB DDR4 module runs at 2133 MHz with a CL15 latency and 1.2 V operation. It is an unbuffered, non-ECC UDIMM designed for desktop PCs, workstations and compatible NAS systems.

288-pin DDR4 slot requirement

The stick fits a standard 288-pin DDR4 DIMM slot and draws 1.2 V from the motherboard. No heat spreader is fitted, so clearance around adjacent slots remains unrestricted. The module adds 4 GB of capacity without requiring buffered or registered memory support.

JEDEC and RoHS compliance

The memory meets JEDEC standard specifications and is RoHS compliant, making it a warranty-safe upgrade for OEM systems. OWC validates every module in its own lab and backs it with a limited lifetime warranty and free technical support.

Besonderheiten

  • Adds 4 GB of DDR4 capacity for smoother multitasking
  • Runs at 2133 MHz with CL15 latency for responsive operation
  • Operates at 1.2 V for lower power draw and heat
  • Unbuffered 288-pin UDIMM fits standard desktop DIMM slots
  • JEDEC and RoHS compliant for reliable, warranty-safe upgrades

Technische Daten

BrandOWC
Part Number2U1D41R804GB
Capacity4GB
SpeedDDR4 2133 (PC4 17000)
CAS LatencyCL15
Voltage1.2V
ECCNo
Buffered/RegisteredUnbuffered
ColorBlack
Heat SpreaderNo
Recommend UseDesktops
LED ColorNone

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Fragen zu diesem Artikel

Will the CL15 latency become the first bottleneck under sustained use?

CL15 is the rated CAS latency at 2133 MHz. Under sustained load the module runs at its JEDEC timing, so latency remains constant rather than rising.

How much heat or noise does the module produce when running all day?

The stick has no heat spreader and draws 1.2 V. It adds minimal heat to the chassis and makes no noise of its own.

What must the motherboard already provide for this module to work?

A free 288-pin DDR4 UDIMM slot that accepts 1.2 V non-ECC unbuffered memory.

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